Definify.com

Webster 1913 Edition

(kŏs)

Noun.

[Cf. Pers.

kōs

a road measure of about two miles; or Skr.

krōça

A Hindoo measure of distance, varying from one and a half to two English miles.

Whitworth.

Noun.

[It.

cosa

A thing (only in phrase below).

Rule of Coss

an old name for Algebra.

[It. regola di cosa rule of thing, the unknown quantity being called the cosa, or the thing.]

Noun.

A Hindoo measure of one English mile and a quarter nearly.